CN203119129U - Wire connector - Google Patents
Wire connector Download PDFInfo
- Publication number
- CN203119129U CN203119129U CN 201220748925 CN201220748925U CN203119129U CN 203119129 U CN203119129 U CN 203119129U CN 201220748925 CN201220748925 CN 201220748925 CN 201220748925 U CN201220748925 U CN 201220748925U CN 203119129 U CN203119129 U CN 203119129U
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- Prior art keywords
- lead
- cavity
- sheet metal
- wire
- pair
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- Expired - Lifetime
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Abstract
The utility model provides a wire connector, which comprises a cavity, a metal sheet and a pressing cover, wherein the metal sheet is located in the cavity, and the wire and the metal sheet are enabled to form electrical connection when the pressing cover presses the wire into the cavity. Specifically, the metal sheet comprises at least two pairs of cutting edges, wherein two cutting edges of at least one pair of the cutting edges are parallelly staggered along the direction axially perpendicular to the wire; and when the pressing cover presses the wire into the cavity, an insulating layer of the wire is cut by at least one pair of the cutting edges, and a wire core of the wire is electrically connection with the pair of the cutting edges. According to the technical solution, the insulating layer of the wire is cut by a pair of the cutting edges simultaneously, thereby being capable of ensuring that electrical connection between the wire and the metal sheet can be realized as long as any one pair of the cutting edges cut the wire successfully; when the wire is pressed into the pair of the cutting edges, the wire is enabled to be at a bending trend state in the cavity as the pair of the cutting edges are parallelly staggered, thereby effectively improving the drawing force resistance of the wire, and improving the reliability of the electrical connection.
Description
Technical field
The utility model relates to a kind of circuit connection fittings, relates in particular to a kind of for connecting lead, realizing the conductor jointer that lead electrically connects.
Background technology
In the mode that electrically connects between common realization lead, the most frequently used way is that insulating barrier is peelled off, core be screwed in together or weld together to realize electrically connecting between lead, at last with insulating tape with terminal part and exposed part parcel, to realize and extraneous insulation.But, adopt not only inefficiency of this method, and make mistakes easily and cause line short.In addition, adopt insulating tape with core blank area parcel, blank area is prone to short circuit phenomenon in wet environment, thus damaged circuit.
Can also adopt the binding post of screw crimping mode to realize conducting between lead.To wait earlier during wiring that the insulating barrier that connects wire termination divests, the lead core that will expose again is wrapped on screw or the double-screw bolt, or inserts wiring hole, screws screw or nut then and pushes down lead core formation joint realization conducting.The operational sequence of this implementation is more loaded down with trivial details.When the butted line reliability requirement was higher, operator's technical merit also may influence the quality of joint.
In addition, also the connector of available packages containing metal sheet is realized electrically connecting between lead.Usually, comprise two groups of cutting edges on the sheet metal of connector, two groups of cutting edges cut the insulating barrier of two leads to be connected respectively, make the core of lead realize electrically connecting with sheet metal respectively, and then realize two electrical connections between lead.But, in the existing implementation, one group of cutting edge is only arranged to the lead effect, be difficult to guarantee that wire insulation can be cut the limit and pierce through, thereby influenced the reliability that electrically connects.
Summary of the invention
The purpose of this utility model is to solve the problem that the above-mentioned mode of connection exists, and provides a kind of energy to realize the conductor jointer that reliably electrically connects.
Conductor jointer provided by the utility model, comprise cavity, sheet metal and gland, sheet metal is arranged in cavity, gland is pressed to lead in the cavity, making lead and sheet metal form electrically connects, especially, comprise at least two pairs of cutting edges on the sheet metal, two groups of cutting edges at least one pair of described cutting edge are along staggering to vertical direction is parallel with described traverse shaft, when gland is pressed to lead in the cavity, at least by a pair of cutting edge cutting, the core of a lead and a pair of cutting edge form respectively and electrically connect the insulating barrier of a lead.
The benefit of technique scheme is: when utilizing conductor jointer provided by the utility model to realize electrically connecting, the insulating barrier of lead is cut by a pair of cutting edge simultaneously, so just can guarantee as long as any a group in a pair of cutting edge successfully cuts lead, can realize electrically connecting of lead and sheet metal, thereby improve the reliability that electrically connects.In addition, in the such scheme, two groups of cutting edges at least one pair of cutting edge stagger to vertical direction is parallel with traverse shaft on the edge, after lead is pressed into above-mentioned a pair of cutting edge, because a pair of cutting edge is parallel to be staggered, this just makes lead be crooked tendency state in cavity, thereby has effectively improved the tension pull out force of lead, this has just further improved the reliability that electrically connects
As a kind of preferred version of the present utility model, above-mentioned sheet metal in cavity ringwise or square.On the one hand, be conducive to save the space, reduce the size of conductor jointer; On the other hand, handled easily is conducive to increase work efficiency.
Preferably, can be distributed with hangnail on the above-mentioned sheet metal, when sheet metal was fixed in the described cavity, because the effect of hangnail, sheet metal was by secure fixation, prevented that effectively sheet metal is owing to the effect of external force is subjected to displacement.
In addition, be distributed with a pair of described sheet metal in the such scheme in the cavity of conductor jointer, thereby can conveniently realize two pairs of leads electrically connecting between any two.
Description of drawings
Fig. 1 is the structural representation of the asymmetrically distributed sheet metal of cutting edge in the utility model;
Fig. 2 is the structural representation of the sheet metal that cutting edge is symmetrically distributed in the utility model;
Fig. 3 is that sheet metal among Fig. 1 is along the structural representation of arrow A direction;
Fig. 4 is the enforcement schematic diagram of using the connector of sheet metal formation shown in Figure 1 in the utility model;
Fig. 5 is the vertical view of dotted portion among Fig. 4;
Fig. 6 is the enforcement schematic diagram after conductor jointer is realized being electrically connected in the utility model;
A kind of enforcement schematic diagram that Fig. 7 electrically connects for sheet metal in the utility model and lead realization;
Fig. 8 realizes another enforcement schematic diagram of electrically connecting for sheet metal in the utility model and lead;
Fig. 9 is first kind of enforcement schematic diagram of cutting edge in the utility model;
Figure 10 is second kind of enforcement schematic diagram of cutting edge in the utility model;
Figure 11 is the B-B profile of conductor jointer in the utility model;
Figure 12 is the gland of conductor jointer in the utility model and the enforcement schematic diagram that cavity fastens the through hole of back formation;
Figure 13 is for comprising the structural representation of three spacer blocks in the conductor jointer in the utility model;
Figure 14 is applied to the enforcement schematic diagram at electric detonator networking for the conductor jointer in the utility model;
Figure 15 is the third enforcement schematic diagram of cutting edge in the utility model;
Figure 16 is the 4th kind of enforcement schematic diagram of cutting edge in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is described in further details.
The conductor jointer 10 that the utility model provides referring to Fig. 4, comprises cavity 20, sheet metal 30 and gland 40, and sheet metal 30 is fixed in the cavity 20, when gland 40 is pressed to lead in the cavity 20, makes lead and sheet metal 30 form and electrically connects.Fasten gland, finish conductor jointer 10 after the wiring referring to shown in Figure 6.
The sheet metal 30 that comprises in the conductor jointer 10 provided by the utility model can adopt the execution mode of Fig. 1 or Fig. 2 to constitute.Be example with execution mode shown in Figure 2, comprise two pairs of cutting edges on the sheet metal 30, be respectively cutting edge 31 and 32, and cutting edge 33 and 34.When gland is pressed to lead in the cavity, position between lead and sheet metal relation as shown in Figure 7, the insulating barrier of lead 70 is respectively by cutting edge 31 and cutting edge 32 cuttings, make lead 70 core simultaneously and cutting edge 31 and cutting edge 32 realize electrically connecting; Similarly, the core of lead 71 is realized electrically connecting with cutting edge 33 and cutting edge 34 simultaneously, has finally realized electrically connecting between lead 70 and the lead 71.Because lead 70 and lead 71 all have been subjected to a pair of cutting edge to their effect, so just can guarantee as long as any a group in a pair of cutting edge successfully cuts them, can realize electrically connecting of lead 70 and lead 71 and sheet metal 30, sheet metal has been realized the two redundant cutting to lead, improve the reliability that electrically connects between lead and sheet metal, and then improved the reliability that electrically connects between lead 70 and the lead 71.
When the sheet metal in the lead electric wire connecting junction 10 provided by the utility model adopts Fig. 1 or execution mode shown in Figure 2 to constitute, sheet metal is square in the cavity of lead electric wire connecting junction 10, certainly also can be ringwise, when adopting square or annular sheet metal to constitute, be conducive to save the space, reduce the size of conductor jointer, in addition, also be convenient to operation, be conducive to improve the efficient of wiring work.
Be distributed with one group of cutting edge respectively on four edges of the sheet metal among Fig. 2, in twos the symmetry, after cutting edge cuts lead, along traverse shaft to direction, the central lines of the center line of lead and corresponding a pair of cutting edge can conveniently realize electrically connecting between lead and the sheet metal.
Sheet metal shown in Figure 1 and sheet metal shown in Figure 2 are similar, difference is, two pairs of cutting edges that distribute on the sheet metal shown in Figure 1 are also asymmetric, and two groups of cutting edges in a pair of cutting edge are along staggering to vertical direction is parallel with traverse shaft, and the schematic diagram that staggers is referring to shown in Figure 3.After lead is pressed into the above-mentioned a pair of cutting edge that is in staggered distribution, lead is crooked tendency state in cavity, as shown in Figure 5, on the direction axial along lead 62, the center line of lead 62 part between a pair of cutting edge does not overlap each other with this center line to cutting edge, this has just effectively improved the tension pull out force of lead 62, has further guaranteed the reliability that electrically connects between lead and the sheet metal.
The quantity of sheet metal can arrange according to the actual requirements in the utility model conductor jointer.For example, when be used for realizing electrically connecting between two leads, can comprise a slice sheet metal in the conductor jointer, the position of sheet metal and lead relation is referring to shown in Figure 7 in the conductor jointer; When be used for realizing four leads electrically connecting between any two, can adopt conductor jointer shown in Figure 4, at this moment, comprise the pair of metal sheet in the conductor jointer, the position relation is referring to shown in Figure 8 between sheet metal and the lead.
In the utility model on the sheet metal cutting edge can adopt disclosed cutting edge among the ZL201029166009.4, as shown in figure 15, or the shape of disclosed clamping sheet among the ZL93205872.8, as shown in figure 16, also can adopt Fig. 9 or cutting edge shown in Figure 10.Cutting edge 1 shown in Figure 9 comprises edge of a knife skewed slot 2, core draw-in groove 3 and a pair of edge of a knife salient point 4, and edge of a knife salient point 4 is positioned at the less end of edge of a knife skewed slot 2 width, between a pair of edge of a knife salient point 4 apart from d
1Width d less than core draw-in groove 3
2, and less than the outside diameter d of described wire insulation
3When gland was pressed to lead in the cavity, edge of a knife skewed slot 2 successively cut the insulating barrier of lead with edge of a knife salient point 4, punctures the insulating barrier of lead, and the core 8 of lead is pressed in the core draw-in groove 3, makes lead and sheet metal form and electrically connects.
Adopt the benefit of above-mentioned cutting edge to be, by the effect of gland, the insulating barrier of lead is at first cut by edge of a knife skewed slot 2, when through edge of a knife salient point 4 since between the edge of a knife salient point 4 apart from d
1Width d less than core draw-in groove 3
2, and less than the outside diameter d of wire insulation
3, 4 pairs of wire insulations of edge of a knife salient point further cut, and make core draw-in groove 3 that elastic deformation take place, and subtended angle enlarges, and guarantees that wire insulation is further pierced through by edge of a knife salient point 4; When the core 8 of lead entered core draw-in groove 3, core draw-in groove 3 subtended angles shrank, and clamping wire core 8 is finally realized electrically connecting of lead core and sheet metal.The insulating barrier of lead has successively passed through the dissection power of edge of a knife skewed slot 2 and edge of a knife salient point 4, passed through the elastic deformation active force of core draw-in groove 3 again, effectively guarantee when lead is pressed in the core draw-in groove, use less pressure that wire insulation is pierced, make lead core 8 fully contact with core draw-in groove 3, thereby realized reliably electrically connecting of lead and sheet metal.
In the technique scheme, the width d of core draw-in groove 3
2Can be preferably the diameter d that is not more than or preferably is slightly less than lead core 8
4, so just guaranteed that core draw-in groove 3 can form with core 8 closely electrically connect reliably that in addition, core draw-in groove 3 can also play the fixedly effect of core 8, feasible electrically connect more reliable.
Also can be distributed with hangnail 5 on the sheet metal 30 of the present utility model, as shown in Figure 2, when being fixed in conductor jointer cavity 20 by injection moulding or alternate manner sheet metal, because the effect of hangnail 5 has effectively prevented from owing to the effect of external force sheet metal 30 being subjected to displacement.
On the cavity of the utility model conductor jointer 10, also can be distributed with through wires hole 24, as shown in Figure 4.The shape of through wires hole 24 should be able to make wire insulation and through wires hole form interference fit, and the quantity of through wires hole also should be complementary with the quantity of lead to be connected.The circle that is shaped as if lead to be connected, then the diameter of through wires hole is designed to such an extent that equal, preferably be slightly less than the external diameter of wire insulation, make wire insulation and through wires hole closely cooperate, thereby be conducive to improve the water resistance of conductor jointer, can enough be applied in the wet environment.When using, enter first group of lead of conductor jointer cavity 20 via through wires hole 24, at first by gland 40 or other external force effect, realize electrically connecting of itself and one group of cutting edge of sheet metal; Then second group of lead placed on other one group of cutting edge of sheet metal, the effect by gland 40 realizes electrically connecting of second group of lead and sheet metal, thereby finally realizes electrically connecting between two groups of leads.
In the technique scheme, also can be distributed with first group of lead fixed groove 41 on the gland 40 of conductor jointer 10, be distributed with the second group of lead fixed groove 21 that matches with first group of lead fixed groove 41 on the cavity 20, as shown in Figure 4; When gland 40 is pressed to lead in the described cavity 20, lead is fixed between first group of lead fixed groove 41 and the second group of lead fixed groove 21, prevent that lead is subjected to displacement, as shown in Figure 6, simultaneously, after gland 40 fastened with cavity 20, first group of lead fixed groove plane, 41 place and plane, second group of lead fixed groove 21 place were interference fit, make conductor jointer possess water resistance, can enough in wet environment, use.For realizing effective cooperation the between lead fixed groove and the lead, after gland 40 and cavity 20 fasten, with first group of lead fixed groove 41 and second group of lead fixed groove 21 along traverse shaft to center line design parallelly but disalignment, so just make after conductor jointer 10 fastens, wire insulation and first group of lead fixed groove 41 and second group of lead fixed groove 21 can form interference fit, have effectively improved the water resistance of conductor jointer 10.In addition, preferably, when gland 40 fastens with cavity 20, the diameter of the through hole 90 that first group of lead fixed groove 41 and second group of lead fixed groove 21 form design the external diameter of insulating barrier of the lead that holds less than this through hole, as shown in figure 12, can guarantee further that wire insulation and first group of lead fixed groove 41 and second group of lead fixed groove 21 form interference fit, further improve the water resistance of conductor jointer.
For further improving the water resistance of conductor jointer 10 in the utility model, also gland 40 and the cavity 20 of conductor jointer can be designed to the inclined-plane cooperation, the cavity of conductor jointer, and corresponding partial design is inclined plane shape on the gland, shown in empty frame among Figure 11, after gland 40 and cavity 20 fasten, make that the cooperation between gland 40 and the cavity 20 is tightr, waterproof effect is better.
In addition, cavity 20 inside of conductor jointer 10 axially also can be distributed with at least two spacer blocks 22 along lead, and referring to as Fig. 4 or shown in Figure 13, at least two spacer blocks 22 are along staggering to vertical direction with traverse shaft.So technical scheme makes when with lead fixed in cavity 20 time, lead forms the state of crooked tendency in cavity, can play the effect of fixing cord, is conducive to prevent that lead is subjected to displacement, simultaneously, also effectively improved the tension pull out force of lead in the conductor jointer 10.
On the cavity 20 of conductor jointer 10, as shown in Figure 4, also can be distributed with buckle slot 23 in the utility model, simultaneously, also can be distributed with quantitatively on the gland 40, in shape with the position on equal buckles 43 corresponding with above-mentioned buckle slot 23.After lead was pressed into sheet metal, buckle 43 buckled in the buckle slot 23, with buckle slot 23 chuckings, effectively prevented from making gland 10 flick owing to the effect of external force, thereby gland 10 was able to lead fixed, has guaranteed the reliability that electrically connects.
Also can be distributed with projection 45 on gland 40 inwalls of the present utility model, as shown in Figure 4, when gland 40 is pressed to lead in the cavity 20, projection 45 acts on lead, make lead be fixed between projection 45 and the sheet metal 30, prevent that lead from rocking in cavity 20, avoided the slip of lead even come off, further guaranteed the reliability that electrically connects.
The master-slave mode networking that Fig. 4 and conductor jointer shown in Figure 13 are particularly useful for being connected in parallel, for example electric detonator networking.Utilize the conductor jointer that Fig. 1 provides in the utility model, some electric detonators 80 can be parallel-connected on the detonator networking bus 60, as shown in figure 14.Electric detonator with the payment to a porter 50 of twin-core circle is example, and when using, circle payment to a porter 50 enters in the cavity 20 by through wires hole, and the diameter of through wires hole 24 is slightly less than the external diameter of round payment to a porter 50, makes the insulating barrier of circle payment to a porter 50 and through wires hole 24 form interference fit; Circle payment to a porter 50 is fixed in cavity 20 between the spacer block 22 that staggers, and is crooked tendency state; Payment to a porter 51 and payment to a porter 52 in the circle payment to a porter 50 are pierced through by one group of cutting edge on the pair of metal sheet 30 respectively, form with sheet metal 30 to electrically connect, referring to shown in Figure 8; Networking bus 61 and 62 is placed respectively on other one group of cutting edge of pair of metal sheet 30, and gland 40 is pressed to cavity 20, make networking bus 61 and 62 realize electrically connecting with sheet metal 30 respectively.Thereby payment to a porter 51 has realized electrically connecting with networking bus 61, and payment to a porter 52 has also realized electrically connecting with networking bus 62, has finally realized electrically connecting of electric detonator and networking bus.Conductor jointer 10 is applied to the schematic diagram at electric detonator networking referring to Figure 14.
Be pointed out that also the cavity of conductor jointer and gland all adopt insulating material to make in the utility model.
Claims (9)
1. a conductor jointer comprises cavity, sheet metal and gland, and described sheet metal is arranged in described cavity, and described gland is pressed to lead in the described cavity, makes described lead and described sheet metal form and electrically connects, and it is characterized in that:
Comprising at least two pairs of cutting edges on the described sheet metal, staggers to vertical direction is parallel with described traverse shaft in two groups of cutting edges edges at least one pair of described cutting edge,
When described gland was pressed to described lead in the described cavity, by a pair of described cutting edge cutting, the core of a described lead and a pair of described cutting edge formed respectively and electrically connect the insulating barrier of a lead at least.
2. conductor jointer according to claim 1 is characterized in that:
Described sheet metal in described cavity ringwise or square.
3. conductor jointer according to claim 1 and 2 is characterized in that:
Be distributed with hangnail on the described sheet metal.
4. conductor jointer according to claim 1 and 2 is characterized in that:
Be distributed with a pair of described sheet metal in the described cavity.
5. conductor jointer according to claim 1 is characterized in that:
Be distributed with through wires hole on the described cavity, the diameter of described through wires hole is not more than the external diameter of the insulating barrier of the lead that this through wires hole holds.
6. conductor jointer according to claim 1 is characterized in that:
Be distributed with first group of lead fixed groove on the described gland, be distributed with second group of lead fixed groove on the described cavity;
When described gland and described cavity fastened, described first group of plane, lead fixed groove place and plane, described second group of lead fixed groove place were interference fit.
7. conductor jointer according to claim 6 is characterized in that:
When described gland and described cavity fasten, described first group of lead fixed groove and described second group of lead fixed groove along described traverse shaft to the parallel but disalignment of center line.
8. according to claim 6 or 7 described conductor jointers, it is characterized in that:
When described gland and described cavity fasten, the external diameter of the insulating barrier of the lead that the diameter of the through hole that described first group of lead fixed groove and described second group of lead fixed groove form holds less than this through hole.
9. conductor jointer according to claim 1 is characterized in that:
Described inside cavity has at least two spacer blocks along the axial distribution of described lead, and at least two spacer blocks are along staggering to vertical direction with described traverse shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748925 CN203119129U (en) | 2012-12-31 | 2012-12-31 | Wire connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748925 CN203119129U (en) | 2012-12-31 | 2012-12-31 | Wire connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119129U true CN203119129U (en) | 2013-08-07 |
Family
ID=48899447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748925 Expired - Lifetime CN203119129U (en) | 2012-12-31 | 2012-12-31 | Wire connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203119129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921081A (en) * | 2017-04-17 | 2017-07-04 | 东莞市宜泽新材料科技有限公司 | Detonator connector |
| CN114256641A (en) * | 2020-09-25 | 2022-03-29 | 谢正怀 | Convenient-to-operate electronic detonator junction box and single-chip metal terminal |
-
2012
- 2012-12-31 CN CN 201220748925 patent/CN203119129U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921081A (en) * | 2017-04-17 | 2017-07-04 | 东莞市宜泽新材料科技有限公司 | Detonator connector |
| CN114256641A (en) * | 2020-09-25 | 2022-03-29 | 谢正怀 | Convenient-to-operate electronic detonator junction box and single-chip metal terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Patentee after: BEIJING BANGIUNION TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1, block A Yingchuang power North Hall Room 601 Patentee before: BEIJING BANGIUNION TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170119 Address after: 100097 Beijing city Haidian District landianchang Road business center Jin Yuan era A block 11F Patentee after: BEIJING EBTECH TECHNOLOGY CO.,LTD. Address before: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Patentee before: BEIJING BANGIUNION TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20220207 Address after: 226141 Group 8, Lianyi village, Sijia Town, Haimen District, Nantong City, Jiangsu Province Patentee after: Nantong Weitian Electronic Technology Co.,Ltd. Address before: 100097 11F, block a, Jinyuan times business center, lantianchang East Road, Haidian District, Beijing Patentee before: BEIJING EBTECH TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |